US$ 209.97
an O-ring seal
and twelve 50g slotted weights for vector-addition work
Autocatalysis demonstration kit reveals reaction mechanisms where products catalyze their own formation through visual chemical kinetics experiments
Pack of 250 disposable Pasteur pipettes in soda glass provides single-use transfer tools for laboratory sample handling and dispensing
and body cavity organization for vertebrate teaching
Neulog Triple-Capacity Battery Unit, 2300mAh Category_Chemicals an O-ring sealTriple capacity 2300mAh rechargeable battery unit powers data logging sensor modules for extended field collection and classroom experiments.
US$ 209.97
US$ 125.00
US$ 14.95
US$ 89.95
US$ 189.97